R.A.F. Henlow Signals Museum Exhibits for disposal

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Rheostat GPO Type F	Rocket Hand fired	Signal Generator No1	Signal Generator Type SG-34-GPM-15	Signal Generator Type TF1066B (Marconi)

This item has been requested but not yet allocated and so is no longer available

Signal Generator No.1.

These units were installed in Post Office Telex exchanges to provide the test signal, "The quick Brown fox
jumps over the lazy dog." to enable the receiving margins to be checked by a sequence of messages having
pre-determined distortion on the signal.

Signal Generator No1 (Photograph Number 0008)

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